REPAIR MAINT OF LT PANEL CAPACITOR PANEL UG CABLE SERVO STABILIZER AND CERTAIN MISC EM WORKS AT AF STN SURATGARH

Amount

BOQ (REPAIR/MAINT OF LT PANEL, CAPACITOR PANEL, UG CABLE SERVO STABILIZER AND CERTAIN MISC E/M WORKS AT AF STN SURATGARH )

Note :- Where ever any transportaion / labour is required for shifting of any machinery/equipment to workshop for carrying out repairs, same shall be arranged under own cost of the contractor. Rates quoted are deemed to be inclusive of this provision.

MCCB four pole 63 Amps with breaking capacity 16 KA , 415 Volts, fixed thermal & magnetic release including making all incoming/ outgoing connections fixed as in repair complete all as specified and directed by Engineer in Charge. Make :- Legrand/L&T/Schneider /C&S/Havells or equivalent makes as specified in Appendix 'B' List of Makes.

MCCB four pole 100 Amps with breaking capacity 16 KA , 415 Volts, fixed thermal & magnetic release including making all incoming/ outgoing connections fixed as in repair complete all as specified and directed by Engineer in Charge. Make :- Legrand/L&T/Schneider /C&S/Havells or equivalent makes as specified in Appendix 'B' List of Makes.

MCCB four pole 125 Amps with breaking capacity 16 KA , 415 Volts, fixed thermal & magnetic release including making all incoming/ outgoing connections fixed as in repair complete all as specified and directed by Engineer in Charge. Make :- Legrand/L&T/Schneider /C&S/Havells or equivalent makes as specified in Appendix 'B' List of Makes.

MCCB four pole 160 Amps with breaking capacity 16 KA , 415 Volts, fixed thermal & magnetic release including making all incoming/ outgoing connections fixed as in repair complete all as specified and directed by Engineer in Charge. Make :- Legrand/L&T/Schneider /C&S/Havells or equivalent makes as specified in Appendix 'B' List of Makes.

MCCB four pole 200 Amps with breaking capacity 25 KA , 415 Volts, fixed thermal & magnetic release including making all incoming/ outgoing connections fixed as in repair complete all as specified and directed by Engineer in Charge. Make :- Legrand/L&T/Schneider /C&S/Havells or equivalent makes as specified in Appendix 'B' List of Makes.

MCCB four pole 250 Amps with breaking capacity 25 KA , 415 Volts, fixed thermal & magnetic release including making all incoming/ outgoing connections fixed as in repair complete all as specified and directed by Engineer in Charge. Make :- Legrand/L&T/Schneider /C&S/Havells or equivalent makes as specified in Appendix 'B' List of Makes.

MCCB four pole 320 Amps with breaking capacity 36 KA , 415 Volts, fixed thermal & magnetic release including making all incoming/ outgoing connections fixed as in repair complete all as specified and directed by Engineer in Charge. Make :- Legrand/L&T/Schneider /C&S/Havells or equivalent makes as specified in Appendix 'B' List of Makes.

MCCB four pole 400 Amps with breaking capacity 36 KA , 415 Volts, fixed thermal & magnetic release including making all incoming/ outgoing connections fixed as in repair complete all as specified and directed by Engineer in Charge. Make :- Legrand/L&T/Schneider /C&S/Havells or equivalent makes as specified in Appendix 'B' List of Makes.

Ampere meter digital type of ratio 0-100 Amp, size 95 Sqmm square type including making incoming/outgoing connections fixed as in repair,complete all as specified and directed by Engineer in Charge. Make :- AE/MECO/ SECURE/SCHNEIDER or equivalent makes as specified in Appendix 'B' List of Makes.

Voltmeter digital type of ratio 0-415 volt , size 95 Sqmm square type including making incoming/outgoing connections fixed as in repair ,complete all as specified and directed by Engineer in Charge. Make :- AE/MECO/ SECURE/SCHNEIDER or equivalent makes as specified in Appendix 'B' List of Makes.

Indicator lamp assembly LED type with red/green/blue including making connections fixed as in repair ,complete all as specified and directed by Engineer in Charge. Make :- AE/RISHAB/L&T or equivalent makes as specified in Appendix 'B' List of Makes.

Current transformer (CT) ratio 100/5 including making connections fixed as in repair ,complete all as specified and directed by Engineer in Charge. Make :- AE/RISHAB/L&T or equivalent makes as specified in Appendix 'B' List of Makes.

Shifting of existing LT panel/ APFC panel of any capacity/size by taking proper shutdown from power house and disconnecting cables connection both incoming and outgoing complete fixing in new location including making new incomming and outgoing connection , complete all as specified and directed by Engineer-in-Charge. Note: All earth work, sand filling, bricks and PCC works will be measured and paid separately under respective item.

Cleaning of Installation/ Substation including clearing of vegitation, wild growth and trimming of grass etc around the installation compound and removing rubbish off the premises , complete all as specified and directed by Engineer-in-Charge.

Scrapping rusted surface of LT panel/ feeder piller, cleaning the inner and outer surface of panel/ feeder piller box and applying two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer including marking name of incomming and outging connection on LT panel , complete all as specified and directed by Engineer-in-Charge.

Earthing complete with galvanized iron or steel plate electrode 600 mm x 600 mm x 6.00 mm thick buried directly in ground vertically in pit of depth not less than 2.25 metre below normal ground level with top edge of the earth plate at a depth not less than 1.5 metre below normal ground level surrounded from all sides with mixture of charcoal and common salt in alternate layers and electrode connected to galvanized iron strip 32 x 6 mm dia as earthing lead by means of GI bolts, nuts, check nuts and washers, earth strip protected by galvanized steel pipe 40 mm bore (light grade) connected to machinery/equipment all as shown in electrical plate No. 3 of SSR-2010 Part I and including necessary excavation and earth work in any type of soil, 20mm bore light grade GI pipe for watering, funnel, wire mesh, PCC (1:3:6) type C-1 chamber, PCC (1:2:4) type B-1 reinforced with 6 mm dia MS round bars @ 15 cm c/c both ways for cover 50 mm thick and MS frame of suitable size made of angle iron 50 x 50 x 60 mm, complete all as specificed and directed by Engineer-in-Charge. Note :- (i) The unit rate includes earth lead and protection pipe up to maximum 7.5 metre from earth plate to earth point/test point. (ii) Earth pit shall be constructed minimum 0.5 metre away from earth.

Excavation in trenches not exc 1.5m wide and and not exc. 1.5m depth wide in hard/dense soil for laying electric cables/pipes etc including getting out excavated earth and trimming the sides and bottoms of trenches , complete all as specificed and directed by Engineer-in-Charge.

Returning, filling in, including spreading, leveling, watering and well ramming in layers not exceeding 25cm thick each, excavated soil in trenches after the cables have been laid and tested, complete all as specified and directed by Engineer-in-Charge.

Removing excavated soil to a distance not exceeding 50 meter and depositing where directed at a level not exceeding 1.50 meter above the starting point , complete all as specified and directed by Engineer-in-Charge.

Sand cushioning to cables with a layer of sand 8 cm deep before laying the cable and 15 cm depth (punned down to 10 cm depth after laying and stretching of cable), complete all as specificed and directed by Engineer-in-Charge. Note: Punned thickness (over all 18 cm) shall be measured & paid.

Brick of common burnt clay, sub class 'B' old size laid flat and dry on cables as in cable protection in trenches over cables perpendicular to direction of cables abutting each other , complete all as specified and directed by Engineer-in-Charge.

Taking out old unserviceable LT/HT cable from trenches /Wall/ floor etc and keeping aside for reuse or removal of any size , complete all as specified and directed by Engineer-in-Charge.

XLPE insulated, screened PVC bedded galvanised steel strip or wire armoured, electric power cables (Heavy duty) with stranded aluminium conductor, 1100 volts grade (earthed) cross sectional area 10 Sqmm 2 core, laid in trenches, through pipe in road crossing, ducts, fixed along poles ,complete all as specified and directed by Engineer-in-Charge.

XLPE insulated, screened PVC bedded galvanised steel strip or wire armoured, electric power cables (Heavy duty) with stranded aluminium conductor, 1100 volts grade (earthed) cross sectional area 16 Sqmm 4 core, laid in trenches, through pipe in road crossing, ducts, fixed along poles ,complete all as specified and directed by Engineer-in-Charge.

XLPE insulated, screened PVC bedded galvanised steel strip or wire armoured, electric power cables (Heavy duty) with stranded aluminium conductor, 1100 volts grade (earthed) cross sectional area 25 Sqmm 4 core, laid in trenches, through pipe in road crossing, ducts, fixed along poles ,complete all as specified and directed by Engineer-in-Charge.

XLPE insulated, screened PVC bedded galvanised steel strip or wire armoured, electric power cables (Heavy duty) with stranded aluminium conductor, 1100 volts grade (earthed) cross sectional area 50 Sqmm 3.5 core, laid in trenches, through pipe in road crossing, ducts, fixed along poles ,complete all as specified and directed by Engineer-in-Charge.

XLPE insulated, screened PVC bedded galvanised steel strip or wire armoured, electric power cables (Heavy duty) with stranded aluminium conductor, 1100 volts grade (earthed) cross sectional area 95 Sqmm 3.5 core, laid in trenches, through pipe in road crossing, ducts, fixed along poles ,complete all as specified and directed by Engineer-in-Charge.

Plain cement concreate 1:3:6 type C-1 (using 20 mm graded stone aggregate) as in coping etc including necessary form work and finishing the surface with cement mortar 1:4, 5mm thick finished to the portion of PCC muffs above ground level complete , complete all as specified and directed by Engineer-in-Charge.

Plain cement concreate 1:4:8 type D-2 (using 40 mm grade stone aggregrate in foundation, mass concrate) as in foundation of poles& stay etc , complete all as specified and directed by Engineer-in-Charge.

Steel tubing galvanised iron, light grade, 40mm bore for cable protection along the pole, under road/depth or under drains ,complete all as specified and directed by Engineer-in-Charge.

LT heat shrinkable straight through joint for PVC/XLPE insulated armoured cable of size upto 50 Sqmm ,3.5/4 core fixed as in repair , complete all as specified and directed by Engineer-in-Charge. . Make: Raychem/Denson/M-Seal

LT heat shrinkable straight through joint for LT cable of size 70 to 95 Sqmm fixed as in repair , complete all as specified and directed by Engineer-in-Charge. . Make: Raychem/Denson/M-Seal

Disconnecting LT cable connection, opening, 3 phase voltage stabilizer upto 200 KVA, of make such as Vintek, Blue line, ITE or any other make , balanced or unbalanced type, draining of transformer oil, replacement of unserviceable parts, servicing of moving parts, adjustment of bush assembly, tightening of electric connection, replacement of worn out nuts, bolt, gaskets, carbon brushes, re-filling of transformer oil, reassembling, making connections well cleaning and preparattion of surfaces of servo stabilizer cleaning the inner surface of stabilizer and applying two coats of stnethitic enamel paint over a coatt of red oxide zinc chorome primer to the outer surface including marking of SM/MES No with white stnethitic enamel paint and testing ,complete all as specified and directed by Engineer-in-charge. Note: a) Voltage stabilizer must be repaired by original manufacturer or by authorised service provider of tthe company . b) Spare parts required for replacement will be measured and paid for separately under respective items of schedule, labour for fixing parts is included in the unit rate of item. c) All T & P and transportaion arrangement are deemed to be included in the rates quoted.

Supply only following parts suitable for three phase servo voltage stabilizer upto 200KVA capacity as per existing make or as recommended by original stabilizer manufacturer , complete all as specified and directed by Engineer-in-Charge.

Volt Meter/(Digital/Analog)

Amperer Meter CT Digital/Analog)

Micoprocessor based control card for each phase.

Servo synchronizing motor single phase AC 230 V, 3 Kg torque.

Servo synchronizing motor single phase AC 230 V, 10 Kg torque.

RC Network for 3 Kg torque servo motor.

RC Network for 10 Kg torque servo motor.

Carbon Brush of any capacity.

Supply only dimmerstate unit suitable following capacity of three phase servo voltage stabilizer as per existing make or as recommanded by original manufacturer:-

Capacity 50 KVA, 32 Amps

Capacity 75 KVA, 45 Amps

Capacity 100 KVA, 80 Amps

Capacity 150 KVA, 150 Amps

Supply only main transformer unit suitable for following capacity of three phase servo voltage stabilizer as per existing make or as recommanded by original manufacturer:-

Capacity 50 KVA

Capacity 75 KVA

Capacity 100 KVA

Capacity 150 KVA

Dehydration including filteration and cleaning of transformer oil by dehydration machine to achieve the die-electric strength BDV 50KV at standard gap of electrodes 2.5 mm for one minute including testing of oil with help of suitable equipments after dehydration including oil insulation test before and after dehydration including BDV Test ,complete all as specified and directed by Engineer-in-charge. Note : Contractor shall arrange the dehydration machine and transformer oil, dielectric strength testing equipment or other testing equipments as mentioned and same shall be deemed to be included in the item rate quoted including testing sample before and after dehydration and filtration oil

Supply and filling trasformer power oil meeting IEC 60296-2003-11 3rd edition standard specification and ASTMD 1275B test requirements for corrosive sulpher of BDV not less than 65 KV for filling in repaired Stabilizer , complete all as specified and directed by Engineer-in-Charge.

Dismantling existing unserviceable panel and removal from site and Supply and installation LT Electric control panel, cubical type, for out door use, dust & vermin proof floor mounted made out of CRCA steel sheet of 3.15 mm thick and 2.00 mm thick other parts and angle iron legs of size 50mmx50mmx6mm having front and rear hinged doors with front openable shutters for each MCCB with spreader & extended rotary handle having hinges on one side and locating arrangements with screws type on other sides completely with fully enclosed bus bar chamber, having electrolytic high conductivity insulated bas bar made but of aluminium strips of rating 600 amps for 3 phase, 415 volts, 50 C/S 4 wire system, with cable entry provision, with suitable lugs gland, voltmeter , Ammeter and phase indicator complete, duly painted with two coats of stove enameled powder coated paint over as coat of red oxide primer complete all as ncluding necessary PCC work of height 45 cm from the ground level , complete all as specified and directed by Engineer-in-Charge and equipped with the following items. Note: Drawing and all materials viz MCB/MCCB/ instruments etc for LT panel shall be got approved by GE before fabrication. Rate for MCCBs, MCBs, instruments is included in unit rate of items . Contd item No 41.01

Dismantling existing unserviceable panel and removal from site and Supply and installation LT Electric control panel, cubical type, for out door use, dust & vermin proof floor mounted made out of CRCA steel sheet of 3.15 mm thick and 2.00 mm thick other parts and angle iron legs of size 50mmx50mmx6mm having front and rear hinged doors with front openable shutters for each MCCB with spreader & extended rotary handle having hinges on one side and locating arrangements with screws type on other sides completely with fully enclosed bus bar chamber, having electrolytic high conductivity insulated bas bar made but of aluminium strips of rating 400 amps for 3 phase, 415 volts, 50 C/S 4 wire system, with cable entry provision, with suitable lugs gland, voltmeter , Ammeter and phase indicator complete, duly painted with two coats of stove enameled powder coated paint over as coat of red oxide primer complete all as ncluding necessary PCC work of height 45 cm from the ground level and white washing to platform , complete all as specified and directed by Engineer-in-Charge and equipped with the following items. Note: Drawing and all materials viz MCB/MCCB/ instruments etc for LT panel shall be got approved by GE before fabrication. Rate for MCCBs, MCBs, instruments is included in unit rate of items . Contd item No 42.01

Contract Amount shall be derived after affecting the amount of Schedule of Credit in General Summary on serial page No 16(R) of tender documents.

M/s Rohit Construction Co.

SHARMA CONSTRUCATION COMPANY

SRI SAI CONSTRUCTION COMPANY

PRAJAPATI E and S ENGG CO

M/s JUGAL KISHORE MISHRA AND SONS

GURDEEP SINGH AND COMPANY